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  • Letter
  • Open Access

Rotating black holes in semiclassical gravity

Pedro G. S. Fernandes

  • School of Physics and Astronomy, University of Nottingham, University Park, Nottingham, NG7 2RD, United Kingdom

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Phys. Rev. D 108, L061502 – Published 25 September, 2023

DOI: https://doi.org/10.1103/PhysRevD.108.L061502

Abstract

We present analytic stationary and axially symmetric black hole solutions to the semiclassical Einstein equations that are sourced by the trace anomaly. We also find evidence that the same spacetime geometry satisfies the field equations of a subset of Horndeski theories featuring a conformally coupled scalar field. We explore various properties of these solutions and determine the domain of existence of black holes. These black holes display distinctive features, such as noncircularity, a non-spherically-symmetric event horizon, and violations of the Kerr bound.

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Phys. Rev. D 108, L061502– Published 25 September, 2023
  • Received 22 May 2023
  • Accepted 1 September 2023
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